CN210244795U - Logic gate circuit demonstrator and logic gate circuit demonstration box - Google Patents

Abstract

The application provides a logic gate circuit demonstrator and a logic gate circuit demonstration box, which relate to the technical field of teaching assistance and comprise a demonstration board and a plurality of logic gate demonstration boxes; the demonstration board comprises a power supply and a plurality of first connectors, and the power supply is connected with the first connectors; each logic gate demonstration box in the plurality of logic gate demonstration boxes is provided with a second connector, and the second connector is matched with the first connector; wherein, when the logic gate demonstration box passes through when second connector is connected with first connector, the power is used for demonstrating the box power supply for the logic gate through first connector, because the second connector can accordant connection with first connector, consequently can install the logic gate demonstration box on the demonstration board, and the power is demonstrated the box power supply for the logic gate through the first connector on the demonstration board, guarantee that the demo can freely make up into multiple circuit with the logic gate demonstration box on the demonstration board, thereby can carry out the logic gate circuit demonstration of multiform.

Description

Logic gate circuit demonstrator and logic gate circuit demonstration box

Technical Field

The application relates to the technical field of teaching assistance, in particular to a logic gate circuit demonstrator and a logic gate circuit demonstration box.

Background

With the development of times, the teaching and application of digital circuits are more extensive, logic gate circuits are the contents which must be mastered in the digital circuit teaching, and in order to vividly improve the teaching efficiency in the teaching, people make various gate circuit demonstration devices, but in the teaching, the logic gate circuits are commonly used in the demonstration devices which are fixedly connected, so that the problem that only the demonstration of the logic gate circuits in a single form can be carried out exists.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a logic gate circuit demonstrator and a logic gate circuit demonstrating box, which are used for solving the problem that only demonstration of a logic gate circuit with a single form can be performed in the prior art.

First aspect the preferred embodiment of the present application provides a logic gate circuit demonstrator, comprising a demonstration board and a plurality of logic gate demonstration boxes; the demonstration board comprises a power supply and a plurality of first connectors, and the power supply is connected with the first connectors; each logic gate demonstration box in the plurality of logic gate demonstration boxes is provided with a second connector, and the second connector is matched with the first connector; when the logic gate demonstration box is connected with the first connector through the second connector, the power supply is used for supplying power to the logic gate demonstration box through the first connector.

In the above-mentioned realization process, be connected between the first connector on the demonstration board in the logic gate circuit demonstration ware and the power, the second connector that sets up on the logic gate demonstration box can carry out the accordant connection with first connector, so that can install the logic gate demonstration box on the demonstration board, and the power supplies power for the logic gate demonstration box through the first connector on the demonstration board, guarantee that the demo person can freely make up into multiple circuit with the logic gate demonstration box on the demonstration board, thereby can carry out the logic gate circuit demonstration of multiform.

Optionally, the demonstration board further comprises a terminal, and the terminal is connected with the power supply; each logic gate demonstration box is provided with an input end; when the wiring terminal is connected with the input end, the power supply is used for providing input signals for the logic gate demonstration box through the wiring terminal.

In the above-mentioned realization process, the terminal connection power, when the input that sets up on the logic gate demonstration box was connected with the terminal, the power can provide input signal for the logic gate demonstration box through the terminal to guarantee that the logic gate demonstration box can carry out the output according to the input signal of input, carry out the output demonstration to the logic gate that this logic gate demonstration box represented.

Optionally, each logic gate demonstration box is further provided with a light sensor, the light sensor is arranged at the input end, and the light sensor is used for providing a light input signal for the logic gate demonstration box according to the intensity of light.

In the implementation process, the input end of the logic gate demonstration box is also provided with a photosensitive element, and the photosensitive element can convert the intensity of light into an electric signal so as to realize that the logic gate demonstration box can input an optical signal and demonstrate according to the input optical signal.

Optionally, the input end further comprises a light shielding member, and the light shielding member is disposed outside the photosensitive element; the shading piece is used for isolating the photosensitive element from light.

In the above implementation process, the light-shielding piece is arranged outside the photosensitive element, so that the photosensitive element is isolated from light, and when the logic gate demonstration box needs to input light signals, the light-shielding piece is unscrewed, so that the light signals can be input into the logic gate demonstration box.

Optionally, the demonstration board is made of a magnetic material, the logic gate circuit demonstrator further comprises a light-emitting device, a magnetic base is arranged on the light-emitting device, and the light-emitting device is adsorbed on the demonstration board through the magnetic base.

In the above-mentioned realization process, because the last magnetism base that has set up of light emitting equipment, and the demonstration board is the magnetism material, consequently light emitting equipment can adsorb on the demonstration board through the magnetism base, when the demonstration board is in the difference and places the angle and demonstrate, light emitting equipment is difficult for droing from the demonstration board, guarantees going on that the demonstration process can be stable.

Optionally, each logic gate demonstration box is provided with an output end, and the output end is a light-emitting element.

Optionally, the plurality of logic gate demonstration boxes comprise an and gate demonstration box, an or gate demonstration box and a not gate demonstration box. In the implementation process, the plurality of logic gate demonstration boxes comprise different types of logic gate circuits, so that a demonstrator can combine the different types of logic gate circuits for demonstration, and a viewer can further know the different types of logic gate circuits.

Optionally, the circuit in the plurality of logic gate demonstration boxes is composed of a triode.

Second aspect a preferred embodiment of the present application provides a logic gate circuit demonstration box, which includes a box body and the above logic gate circuit demonstration box, wherein the box body includes a first box cover and a second box cover, and the first box cover and the second box cover are connected through a connecting piece; the logic gate circuit demonstrator is arranged in the first box cover.

In the implementation process, the logic gate circuit demonstrator is arranged in the box body of the logic gate circuit demonstration box, and when the box body is in a closed state, the logic gate circuit demonstrator can be protected and stored.

Optionally, the connector comprises a hinge. In the above implementation process, because first case lid and second case lid pass through hinged joint, consequently first case lid and second case lid are direct can carry out relative rotation, in addition, can adopt different hinges to connect according to different demands, can make and have different angles between first case lid and the second case lid to make that the viewer can be clear watch the demonstration process.

Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of one side of a logic gate circuit demonstrator according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another side of a logic gate circuit demonstrator according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a logic gate demonstration box according to an embodiment of the present application;

fig. 4 is a circuit diagram inside an and gate circuit demo box according to an embodiment of the present application;

fig. 5 is a circuit diagram of the interior of a not gate circuit demonstration box provided by an embodiment of the present application;

FIG. 6 is a circuit diagram of the interior of an OR gate demonstration box according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of another logic gate demonstration box provided in the embodiments of the present application;

fig. 8 is a schematic structural diagram of an input end according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of another input end provided in the embodiment of the present application;

FIG. 10 is a schematic diagram of another logic gate demonstration box provided by an embodiment of the present application;

FIG. 11 is a schematic diagram of a logic gate circuit demonstration box according to an embodiment of the present application.

Icon: 10-logic gate circuit demonstration box; 100-logic gate circuit demonstrator; 110-a demonstration board; 111-a power supply; 112-a first connector; 113-a terminal post; 120-logic gate demo box; 121-a second connector; 123-input terminal; 1231-a photosensitive element; 1232-a shade; 124-output end; 130-a light emitting device; 131-a magnetic base; 200-a box body; 210-a first cover; 220-a second cover; 230-connecting element.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and features in the embodiments and the following embodiments may be combined with each other without conflict. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the application is usually placed in when used, and are used only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of one side of a logic gate circuit demonstrator 100 according to an embodiment of the present application, fig. 2 is a schematic structural diagram of another side of the logic gate circuit demonstrator 100 according to an embodiment of the present application, and fig. 3 is a schematic structural diagram of a logic gate demonstration box 120 according to an embodiment of the present application, where the logic gate circuit demonstrator 100 includes a demonstration board 110 and a plurality of logic gate demonstration boxes 120; the demonstration board 110 comprises a power supply 111 and a plurality of first connectors 112, the power supply 111 being connected to each first connector 112; each logic gate demonstration box 120 in the plurality of logic gate demonstration boxes 120 is provided with a second connector 121, and the second connector 121 is matched with the first connector 112; wherein, when the logic gate demonstration box 120 is connected with the first connector 112 through the second connector 121, the power supply 111 is used for supplying power to the logic gate demonstration box 120 through the first connector 112.

The first connector 112 and the second connector 121 are matched, that is, the first connector 112 and the second connector 121 can be connected in a certain manner to cooperate, for example, the first connector 112 can be a banana socket, the second connector 121 can be a banana plug, and the banana plug and the banana socket can be connected firmly, so that the logic gate demonstration box 120 is firmly installed on the demonstration board 110, and for example, the first connector 112 can be a conductive magnet, and the second connector 121 can be a metal object with good conductivity, at this moment, the first connector 112 and the second connector 121 can be firmly connected through magnetism.

In the implementation process, the first connector 112 on the demonstration board 110 in the logic gate demonstration device 100 is connected with the power supply 111, the second connector 121 arranged on the logic gate demonstration box 120 can be matched and connected with the first connector 112, so that the logic gate demonstration box 120 can be installed on the demonstration board 110, and the power supply 111 supplies power to the logic gate demonstration box 120 through the first connector 112 on the demonstration board 110, so that a presenter can freely combine the logic gate demonstration boxes 120 into various circuits on the demonstration board 110, and thus various forms of logic gate demonstration can be performed.

The input signal can be provided to the logic gate demonstration box 120 in several ways, the first way is to directly provide the electrical signal to the logic gate demonstration box 120 as the input signal, optionally, the demonstration board 110 can include a terminal post 113, and the terminal post 113 is connected to the power supply 111; each logic gate demonstration box 120 is provided with an input end 123; wherein, when the terminal 113 is connected to the input terminal 123, the power supply 111 is used to provide an input signal for the logic gate demonstration box 120 through the terminal 113, for example, in the case of an and gate circuit demonstration box, when one input terminal 123 of the and gate circuit demonstration box is connected to one terminal 113, and the terminal 113 is connected to the positive pole of the power supply 111, which is equivalent to inputting a high level signal, and the other input terminal 123 of the and gate circuit demonstration box is connected to one terminal 113, and the terminal 113 is connected to the negative pole of the power supply 111, which is equivalent to inputting a low level signal, the output terminal 124 of the and gate circuit demonstration box will output a low level signal, and only when the two input terminals 123 of the and gate circuit demonstration box are simultaneously connected to the terminal 113 connected to the positive pole of the power supply 111, the output terminal 124 of the and gate circuit demonstration box can output a high level signal.

In the implementation process, the terminal 113 is connected to the power supply 111, and when the input terminal 123 arranged on the logic gate demonstration box 120 is connected to the terminal 113, the power supply 111 can provide an input signal for the logic gate demonstration box 120 through the terminal 113, so that it is ensured that the logic gate demonstration box 120 can output according to the input signal of the input terminal 123, and output demonstration is performed on the logic gate represented by the logic gate demonstration box 120.

The second way is to provide the logic gate demonstration box 120 with an optical signal as an input signal, such as providing the photosensitive element 1231 at the input 123 of the logic gate demonstration box 120, and further, the input 123 of the logic gate demonstration box 120 can be directly provided with the photosensitive element 1231. The light sensitive element 1231 is used to provide the logic gate presentation box 120 with an optical input signal according to the intensity of the light. In the implementation process, the input end 123 of the logic gate demonstration box 120 is further provided with a photosensitive element 1231, and the photosensitive element 1231 can convert the intensity of light into an electrical signal, so that the logic gate demonstration box 120 can input an optical signal and perform demonstration according to the input optical signal.

The operation principle of the second mode will be described with reference to the circuit diagram inside the and gate circuit demonstration box shown in fig. 4. The port 1 and the port 2 are respectively connected with the two input terminals 123, in addition, the photosensitive element D1 and the photosensitive element D2 are respectively arranged at the two input terminals 123, the port 3 is connected with the negative electrode of the power supply 111 or grounded, the port 4 is connected with the positive electrode of the power supply 111, the port 5 is connected with the output terminal 124, and the light-emitting element D3 is arranged at the output terminal 124, and the working principle is that, when the photosensitive element D1 and the photosensitive element D2 do not irradiate light, the photosensitive element D1 and the photosensitive element D2 are in an off state, at this time, the port 1 and the port 2 are both connected with the positive electrode of the power supply 111, that is, high level is input to the port 1 and the port 2, at this time, the transistor Q1 is turned on, therefore, the base potential of the transistor Q2 is raised, at this time, the transistor Q2 is turned on, so that the port 5 outputs high level, and when the port 1 and the, the photosensitive element D1 and the photosensitive element D2 are both irradiated by strong light, that is, input optical signals, the photosensitive element D1 and the photosensitive element D2 are in a conducting state, at this time, the transistor Q2 is conducting, one end of the light emitting element D3 is connected with the positive pole of the power supply 111, because the transistor Q2 is conducting, the other end of the light emitting element D3 is connected with the port 3, that is, connected with a low level or grounded, at this time, because the potential of the negative pole of the light emitting element D3 is reduced, the light emitting element D3 emits light, that is, outputs optical signals, and in addition, the port 5 also has a high level output.

In addition, fig. 5 shows a circuit diagram of the interior of the not-gate circuit demonstration box provided by the embodiment of the application. The port 6 is connected with the input end 123 of the non-gate circuit demonstration box, in addition, the photosensitive element D4 is arranged at two input ends 123, the port 3 is connected with the negative pole of the power supply 111 or grounded, the port 4 is connected with the positive pole of the power supply 111, the port 7 is connected with the output end 124, and the light-emitting element D5 is arranged at the output end 124, the input end 123 of the non-gate circuit demonstration box is connected with high level and works under the condition of no light irradiation, the photosensitive element D4 is in the off state, at the moment, the port 6 is connected with the positive pole of the power supply 111, namely, the high level is input to the port 6, at the moment, the triode Q4 is conducted, therefore, the base potential of the triode Q5 is raised, at the moment, the triode Q5 is conducted, so that the high level is output at the port 7, at the condition that the port 6 is not connected with the positive pole or the negative pole of the power supply 111, and, that is, at least one optical signal is inputted, the photosensor D4 is in a conducting state, the transistor Q4 is turned on, one end of the light emitting element D5 is connected to the positive electrode of the power supply 111, the transistor Q4 is turned on, and the other end of the light emitting element D5 is connected to the port 3, that is, connected to a low level or ground, at this time, since the potential of the negative electrode of the light emitting element D5 is lowered, the light emitting element D5 emits light, that is, outputs an optical signal, and at the same time, the port 7 also outputs a high level.

The operation principle of the second mode can also be explained by referring to the circuit diagram inside the or gate circuit demonstration box shown in fig. 6. The ports 8 and 9 are respectively connected with the two input terminals 123, furthermore, the photosensitive element D6 and the photosensitive element D7 are respectively arranged at the two input terminals 123, the port 3 is connected with the negative pole of the power supply 111 or grounded, the port 4 is connected with the positive pole of the power supply 111, the port 10 is connected with the output terminal 124, the light emitting element D8 is arranged at the output terminal 124, at least one of the two input terminals 123 of the or gate demonstration box is connected with high level and works under the condition that the photosensitive element D6 and the photosensitive element D7 are in an off state under the condition that the photosensitive element D6 and the photosensitive element D7 do not irradiate light, at the moment, at least one of the port 8 and the port 9 is connected with the positive pole of the power supply 111, namely, the high level is input to at least one of the port 8 and the port 9, the transistor Q6 is turned on, therefore, the base potential of the transistor Q6 is raised, and the transistor Q6 is, therefore, when the port 10 outputs a high level, and when neither the port 8 nor the port 9 is connected to the positive electrode or the negative electrode of the power supply 111, and at least one of the photosensor D6 and the photosensor D7 is irradiated by a strong light, that is, at least one optical signal is input, at least one of the photosensor D6 and the photosensor D7 is in a conducting state, the transistor Q6 is conducting, one end of the light emitting element D8 is connected to the positive electrode of the power supply 111, because the transistor Q6 is conducting, the other end of the light emitting element D8 is connected to the port 3, that is, connected to a low level or grounded, and because the potential of the negative electrode of the light emitting element D8 is lowered, the light emitting element D8 emits light, that is, and outputs an optical signal, and the port 10 can output a high level.

The third way is to connect the logic gate demonstration box 120 with an external device to provide input signals, for example, the logic gate demonstration box can be connected with a signal generator, and also can be connected with a seventh battery, and the signal generator can generate signals with different waveforms as input signals, so as to facilitate observation of the relationship between the two input signals.

In addition, the light-shielding member 1232 is also an essential part of the appearance of the logic gate demonstration box 120.

It should be understood that in some embodiments, the terminal 113 is disposed on the demonstration board 110, the photosensitive element 1231 is also disposed at the input end 123 of the logic gate demonstration box 120 (or the photosensitive element 1231 is the input end 123), and the user can select to provide the input signal to the logic gate demonstration box 120 in the first way or the second way according to the requirement.

Optionally, the plurality of logic gate demo boxes 120 includes an and gate circuit demo box, an or gate circuit demo box, and a not gate circuit demo box. In the above implementation, the plurality of logic gate demonstration boxes 120 include different kinds of logic gate circuits, so that the demonstrator can combine the different kinds of logic gate circuits for demonstration, thereby enabling the observer to have further understanding. The surface of the logic gate demonstration box 120 may be marked with an international symbol of the logic gate, such as a plurality of logic gate demonstration boxes 120 shown in fig. 1, so that it is clear which logic gate the logic gate demonstration box 120 is according to the international symbol, and it can be seen that fig. 1 shows two and gate circuit demonstration boxes, one or gate circuit demonstration box, and several not gate circuit demonstration boxes, which is shown in fig. 1 is only one embodiment, and the number of each type of logic gate demonstration box 120 is not limited here. And the circuit in the logic gate demonstration box 120 mentioned in the embodiment of the present application is composed of a triode.

It should be understood that the surface of the box 120 may also be labeled as a symbol of the logic gate circuit, or the box 120 is a symbol of a shape characteristic type of the logic gate circuit, please refer to fig. 7, fig. 7 is a schematic structural diagram of another box 120 provided in this application, and according to the shape of the box 120, the box 120 shown in fig. 7 can be seen as an and circuit box.

The first connectors 112 on the demonstration board 110 are preset, wherein a part of the first connectors 112 can be connected to the positive pole of the power source 111, another part of the first connectors 112 can be connected to the negative pole of the power source 111, the connection between the first connectors 112 and the power source 111 can be set according to a way often demonstrated in teaching, and the specific connection is not limited herein, and as described in the present embodiment, for example, there are seven rows and nine rows on the demonstration board 110 shown in fig. 1, one of the connection can be that the first connectors 112 on the odd row are connected to the positive pole of the power source 111, and the first connectors 112 on the even row are connected to the negative pole of the power source 111, and the other connection can be that the first connectors 112 on the odd row are connected to the negative pole of the power source 111, and the first connectors 112 on the even row are connected to the positive pole of the power source 111, yet another arrangement could be a single row of first connectors 112 connected to the positive pole of the power supply 111, while the first connectors 112 in the even rows are connected to the negative pole of the power source 111, another arrangement may be that the first connectors 112 in the odd rows are connected to the negative pole of the power source 111, the first connectors 112 in the even number rows are connected to the positive electrode of the power source 111, and the first connectors 112 in the odd number rows are connected to the positive electrode of the power source 111, and the first connector 112 in the even-numbered row is connected to the negative electrode of the power supply 111, wherein the first connector 112 connected to the negative electrode of the power source 111 may be set to black, the first connector 112 connected to the positive electrode of the power source 111 may be set to red, so that the presenter can mount the logic gate presentation box 120 anywhere on the presentation board 110 according to the needs of the presentation.

The power source 111 may be different types of power devices, such as a battery box, a storage battery, etc., and may be a 4.5V power source, for example. In addition, the power source 111 may be fixedly connected to the demonstration board 110, wherein the logic gate demonstration box 120 may be installed on the front surface of the demonstration board 110 in fig. 2 for demonstration, for the sake of appearance, the power source 111 is shown to be installed on the back surface of the demonstration board 110, the power source 111 may also be installed on the front surface of the demonstration board 110, and the power source 111 may also be provided with electric energy through an external device instead of being installed on the demonstration board 110.

It should be noted that, as shown in fig. 3, two second connectors 121 are disposed on one side of the logic gate demonstration box 120, one of the second connectors 121 needs to be connected to the positive pole of the power supply 111, and the other needs to be connected to the negative pole of the power supply 111, therefore, the two second connectors 121 disposed on the logic gate demonstration box 120 can be set to different colors, for example, the second connector 121 needed to be connected to the positive pole of the power supply 111 is set to red, and the second connector 121 needed to be connected to the negative pole of the power supply 111 is set to black, so that a presenter can accurately mount the logic gate demonstration box 120 on the demonstration board 110, and ensure that the whole logic gate demonstration box 100 performs normal demonstration.

As an embodiment, please refer to fig. 8, fig. 8 is a schematic structural diagram of an input end 123 according to an embodiment of the present application, in which the input end 123 is made of a good conductor material, the input end 123 is shown as a tubular structure, and the photosensitive element 1231 is located inside the tubular structure, so that the input end 123 is connected to the terminal 113 through a wire when an electrical signal is required to be input, and the photosensitive element 1231 is irradiated by a flashlight or the like when an optical signal is required to be input.

In addition, each logic gate demonstration box 120 is provided with an input 123, and the input 123 is a photosensitive element 1231, in this case, the logic gate demonstration box 120 can only perform optical signal input.

Referring to fig. 9, fig. 9 is a schematic structural diagram of another input end 123 according to the present embodiment, the input end 123 further includes a light shielding member 1232, and the light shielding member 1232 is disposed outside the photosensitive element 1231; the light-shielding member 1232 is used for isolating the photosensitive element 1231 from light, and the light-shielding member 1232 in the figure is a tubular structure with a top end provided with a cover, so that when no demonstration is performed or an input light input signal is not needed, the top of the tubular structure can be covered with the cover, and if the input light input signal is needed, the cover can be taken down or unscrewed, so that the light can irradiate the photosensitive element 1231.

In the above implementation process, the light shielding member 1232 is disposed outside the photosensitive element 1231, so that the photosensitive element 1231 is isolated from the light, and when the logic gate demonstration box 120 needs to input the optical signal, the light shielding member 1232 is detached from the outside of the photosensitive element 1231, so that the optical signal can be input to the logic gate demonstration box 120.

As an embodiment, as shown in fig. 9, the tubular structure is an input end 123, the input end 123 may be made of a conductive material, when the power source 111 or other devices capable of generating electrical signals are connected to the input end 123 through wires, electrical signals may be input into the logic gate demonstration box 120, and the light-shielding member 1232 is made of a material capable of shielding light, when an optical signal needs to be input into the logic gate demonstration box 120, the light-shielding member 1232 may be removed, so that the light-sensitive element 1231 may be irradiated by light, and thus, it is possible to input an electrical signal into the logic gate demonstration box 120 and an optical signal into the logic gate demonstration box 120.

Referring to fig. 10, fig. 10 is a schematic view of another logic gate demonstration box 120 according to an embodiment of the present application, the demonstration board 110 is made of a magnetic material, the logic gate demonstration box 100 further includes a light emitting device 130, and a magnetic base 131 is disposed on the light emitting device 130, wherein the light emitting device 130 is attached to the demonstration board 110 through the magnetic base 131.

The light emitting device 130 can be a flashlight or a red light pen, the magnetic base 131 can be connected with the light emitting device 130, and since the magnetic base 131 and the demonstration board 110 can be attracted through magnetism, the magnetic base 131 can firmly attach the light emitting device 130 to the demonstration board 110, and when the demonstration board 110 changes a demonstration angle or the demonstration board 110 vibrates due to collision, the light emitting device 130 is not easy to fall off. It is understood that the demonstration board 110 and the light emitting device 130 can be connected by other means, such as installing a suction cup on the light emitting device 130, so that the light emitting device 130 can be attached to the demonstration board 110.

In the above-mentioned realization process, because the last magnetism base 131 that has set up of light emitting equipment 130, and demonstration board 110 is the magnetism material, consequently light emitting equipment 130 can adsorb on demonstration board 110 through magnetism base 131, when demonstration board 110 is in the different angles of placing and demonstrates, light emitting equipment 130 is difficult for droing from demonstration board 110, guarantees going on that the demonstration process can be stable.

Optionally, each logic gate demonstration box 120 is provided with an output terminal 124, and the output terminal 124 is a light emitting element, so that the output terminal 124 can directly emit light without being connected to a load, and a viewer can clearly see whether the output terminal 124 has a high level output signal. Of course, the output 124 may be connected to a load, such as a fan, a buzzer, etc.

Based on the same concept, the embodiment of the present application further provides a logic gate circuit demonstration box 10, please refer to fig. 11, fig. 11 is a schematic diagram of the logic gate circuit demonstration box 10 provided in the embodiment of the present application, and includes a box body 200 and the above logic gate circuit demonstration box 100, where the box body 200 includes a first box cover 210 and a second box cover 220, and the first box cover 210 and the second box cover 220 are connected by a connecting member 230; the logic gate presenter 100 is disposed within the first housing cover 210.

In the above implementation process, the logic gate demonstration device 100 is disposed in the box 200 of the logic gate demonstration box 10, when the box 200 is in the closed state, the logic gate demonstration device 100 can be protected and stored, a handle can be further disposed on the box 200, when the box 200 is in the closed state, the logic gate demonstration box 10 can be lifted by the handle to move, when the box 200 is in the open state, the connecting member 230 can also play a role of fixing and supporting, so that the first box cover 210 and the second box cover 220 can be in a certain angular relationship and can be kept stable, wherein the logic gate demonstration device 100 is fixedly disposed in the first box cover 210, and the second box cover 220 can be placed with objects such as a logic gate demonstration box 120, wires and loads which are not mounted on the demonstration board 110 for storage.

Optionally, the connection 230 comprises a hinge. In the above implementation process, since the first cover 210 and the second cover 220 are connected by the hinge, the first cover 210 and the second cover 220 can directly and relatively rotate, and in addition, different hinges can be adopted for connection according to different requirements, so that different angles can be formed between the first cover 210 and the second cover 220, and a viewer can clearly view the demonstration process.

The currently used hinges are various, and the hinges can be selected according to the opening and closing angle of the box body 200, or the hinges with the buffering function can be selected according to the requirement of protecting the internal logic gate circuit demonstrator 100.

To sum up, the application provides a logic gate circuit demonstration ware 100 and logic gate circuit demonstration case 10, be connected between first connector 112 and the power 111 on demonstration board 110 in logic gate circuit demonstration ware 100, second connector 121 that sets up on logic gate demonstration box 120 can carry out the mating connection with first connector 112, so that can install logic gate demonstration box 120 on demonstration board 110, and power 111 supplies power for logic gate demonstration box 120 through first connector 112 on demonstration board 110, guarantee that the presenter can freely make up logic gate demonstration box 120 into multiple circuit on demonstration board 110, thereby can carry out the logic gate circuit demonstration of multiple form.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A logic gate circuit demonstrator is characterized by comprising a demonstration board and a plurality of logic gate demonstration boxes;

the demonstration board comprises a power supply and a plurality of first connectors, and the power supply is connected with the first connectors;

each logic gate demonstration box in the plurality of logic gate demonstration boxes is provided with a second connector, and the second connector is matched with the first connector;

when the logic gate demonstration box is connected with the first connector through the second connector, the power supply is used for supplying power to the logic gate demonstration box through the first connector.

2. The logic gate circuit demonstrator of claim 1, wherein said demonstration board further comprises a binding post thereon, said binding post being connected to said power supply;

each logic gate demonstration box is provided with an input end;

when the wiring terminal is connected with the input end, the power supply is used for providing input signals for the logic gate demonstration box through the wiring terminal.

3. The logic gate circuit demonstrator of claim 2, wherein each of said logic gate demonstration boxes further comprises a light sensor disposed at said input end, said light sensor being configured to provide an optical input signal to said logic gate demonstration box according to the intensity of light.

4. The logic gate circuit presenter of claim 3 wherein the input further comprises a light shield, the light shield being a conductor tube, the light shield being disposed outside the light sensitive element;

the shading piece is used for being connected with the wiring terminal to transmit level signals;

the shading piece is used for isolating the photosensitive element from light;

the input end is used for providing level signal and optical signal input for the logic gate demonstration box.

5. The logic gate circuit demonstrator according to claim 4, wherein the logic gate demonstration box is a cuboid, two light-shielding members are arranged on a first side surface of the logic gate demonstration box at preset intervals, an output end is arranged on a second side surface of the logic gate demonstration box parallel to the first side surface, and a logic gate circuit identifier is arranged on a front surface of the logic gate demonstration box perpendicularly intersected with the first side surface and the second side surface;

the shading piece is a decoration which enables the appearance of the logic gate circuit demonstration box to be the same as the international symbol of the logic gate circuit.

6. The logic gate circuit demonstrator of claim 4, wherein the demonstration board is made of a magnetic material, and the logic gate circuit demonstrator further comprises a light-emitting device, and a magnetic base is disposed on the light-emitting device, wherein the light-emitting device is adsorbed on the demonstration board through the magnetic base.

7. The logic gate circuit demonstrator of claim 1, wherein each said logic gate demonstration box has an output end, said output end being a conductor tube with a light emitting element embedded therein;

the output end is used for outputting a level signal and an optical signal.

8. The logic gate circuit demonstrator of claim 1, wherein said plurality of logic gate demonstration boxes comprises an and gate circuit demonstration box, an or gate circuit demonstration box, and a not gate circuit demonstration box.

9. The logic gate circuit demonstrator of claim 1, wherein said circuitry in said plurality of logic gate demonstration boxes consists of transistors and resistors.

10. A logical gate circuit demonstration box, which is characterized by comprising a box body and the logical gate circuit demonstration device of any one of claims 1 to 8, wherein the box body comprises a first box cover and a second box cover, and the first box cover and the second box cover are connected through a connecting piece;

the logic gate circuit demonstrator is arranged in the first box cover.

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